package com.wzh.mall.product.service.impl;

import com.wzh.mall.product.entity.AttrEntity;
import com.wzh.mall.product.service.AttrService;
import com.wzh.mall.product.vo.AttrGroupWithAttrsVo;
import com.wzh.mall.product.vo.SkuItemVo;
import com.wzh.mall.product.vo.SpuItemAttrGroupVo;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.wzh.common.utils.PageUtils;
import com.wzh.common.utils.Query;

import com.wzh.mall.product.dao.AttrGroupDao;
import com.wzh.mall.product.entity.AttrGroupEntity;
import com.wzh.mall.product.service.AttrGroupService;


@Service("attrGroupService")
public class AttrGroupServiceImpl extends ServiceImpl<AttrGroupDao, AttrGroupEntity> implements AttrGroupService {



    @Autowired
    AttrService attrService;
    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<AttrGroupEntity> page = this.page(
                new Query<AttrGroupEntity>().getPage(params),
                new QueryWrapper<AttrGroupEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    public PageUtils queryPage(Map<String, Object> params, Long catalogoId) {

        String key=(String) params.get("key");
        QueryWrapper<AttrGroupEntity> wrapper=new QueryWrapper<AttrGroupEntity>();
        if (!StringUtils.isEmpty(key)){
            wrapper.and((obj)->{
                obj.eq("attr_group_id",key)
                        .or().like("attr_group_name",key);
            });
        }
        if (catalogoId==0){
            IPage<AttrGroupEntity> page = this.page(new Query<AttrGroupEntity>().getPage(params),
                    wrapper);
            return new PageUtils(page);
        }else {
            wrapper.eq("catelog_id",catalogoId);
            IPage<AttrGroupEntity> page = this.page(new Query<AttrGroupEntity>().getPage(params),
                   wrapper);
            return new PageUtils(page);
        }

    }
    /**
      * @Description: 根据分类id查出所有分组以及这些组里面的属性
      * @Param: [catelogId]
      * @return: java.util.List<com.wzh.mall.product.vo.AttrGroupWithAttrsVo>
      * @Author: Mr.Wang
      * @Date: 2021/9/4
      * @Time: 21:56
      */      
      
    @Override
    public List<AttrGroupWithAttrsVo> getAttrGroupWithAttrsByCatelogId(Long catelogId) {
        //1、查询分组信息
        List<AttrGroupEntity> attrGroupEntityList = this.list(
                new QueryWrapper<AttrGroupEntity>().eq("catelog_id", catelogId));
        //2、查询所有属性
        List<AttrGroupWithAttrsVo> attrGroupWithAttrsVos=attrGroupEntityList.stream().map((group)-> {
            AttrGroupWithAttrsVo attrGroupWithAttrsVo = new AttrGroupWithAttrsVo();

            BeanUtils.copyProperties(group,attrGroupWithAttrsVo);

            List<AttrEntity> attrs = attrService.getRelationAttr(attrGroupWithAttrsVo.getAttrGroupId());
            attrGroupWithAttrsVo.setAttrs(attrs);
            return attrGroupWithAttrsVo;
        }).collect(Collectors.toList());



        return attrGroupWithAttrsVos;
    }

    /**
      * @Description: 查出当前spu对应的所有属性的分组信息和当前分组下对应的所有属性的值
      * @Param: [spuId]
      * @return: java.util.List<com.wzh.mall.product.vo.SkuItemVo.SpuItemAttrGroupVo>
      * @Author: Mr.Wang
      * @Date: 2021/9/13
      * @Time: 9:27
      */      
      
    @Override
    public List<SpuItemAttrGroupVo> getAttrGroupWithAttrsBySpuId(Long spuId, Long catalogId) {

        AttrGroupDao baseMapper = this.getBaseMapper();

        return baseMapper.getAttrGroupWithAttrsBySpuId(spuId,catalogId);
    }

}